N.D. Cent. Code § 4.1-31-13 (2025)
The following persons shall keep records that fully and accurately disclose the transactions described:
1. A person in the business of slaughtering animals or preparing, freezing, packaging, or labeling animal carcasses or products of carcasses for use as human or animal food.
2. A person buying, selling, transporting, or storing animal carcasses or products of animal carcasses.
3. A person rendering or buying, selling, or transporting dead, dying, disabled, or diseased animals or the carcasses of animals that died other than by slaughter.